//
//  CSTools.m
//  CSSonarDemo
//
//  Created by hcs on 2021/4/12.
//

#import "CSTools.h"

@implementation CSTools

+ (void)logStr:(NSString *)str {
    
    NSLog(@"%@", str);
}

+ (void)crashFunc {
    
    NSArray *arr = @[];
    NSString *str = arr[0];
    
    NSLog(@"str = %@", str);
}

@end
